范围:This document specifies a method to characterize the multi-element contents and status in iron and steel by original position statistic distribution analysis method of laser-induced breakdown spectroscopy. This document is applicable to characterize the content distribution, location distribution and state distribution of multi-element in iron and steel. The content frequency statistical distribution, segregation statistical distribution, apparent density statistical distribution, statistic fitting degree statistical distribution and the type, content and particle size statistical distribution of inclusions can be characterized.; 主要技术内容:This document specifies a method to characterize the multi-element contents and status in iron and steel by original position statistic distribution analysis method of laser-induced breakdown spectroscopy.This document is applicable to characterize the content distribution, location distribution and state distribution of multi-element in iron and steel. The content frequency statistical distribution, segregation statistical distribution, apparent density statistical distribution, statistic fitting degree statistical distribution and the type, content and particle size statistical distribution of inclusions can be characterized.